Knock verb – To come into usually forceful contact with something. Sing and knock are semantically related. In some cases you can replace term "Sing" with "Knock", this verbs are similar. Nearby Words: knocked, knockout, knockdown, knocking, knocker
Sing verb – To produce musical sounds with the voice. Knock and sing are semantically related. Sometimes you can use "Knock" instead a verb "Sing". Nearby Words: singing, singer, singe, singed, singable
Well the Ukraine girls really knock me out They leave the West behind And Moscow girls make me sing and shout That Georgia's always on my my my my my my my my my mind.
The Big Bang Theory has Sheldon use a homemade virtual presence device (a TV screen on wheels) to knock on Penny's door and ask her to sing "Soft Kitty".